Finding the Fourth Proportional to 131,905.34, 197,885.69 and 43,151.89

Step by Step Solution

1. Step 1: Write the proportion equation
   131,905.34 : 197,885.69 = 43,151.89 : x
2. Step 2: Convert to fraction form
   131,905.34/197,885.69 = 43,151.89/x
3. Step 3: Cross multiply
   131,905.34x = 197,885.69 × 43,151.89
4. Step 4: Simplify right side
   131,905.34x = 8,539,141,527.45
5. Step 5: Solve for x
   x = 8,539,141,527.45/131,905.34
6. Step 6: Final answer
   x = 64,736.89